• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
OpenTechTips

OpenTechTips

Short Guides for IT Professionals

MENUMENU
  • HOME
  • ALL TOPICS
    • Active Directory
    • Exchange
    • InfoSec
    • Linux
    • Networking
    • Scripting
      • PowerShell
    • SSL
    • Virtualization
    • Web
    • Tools
  • ABOUT
  • SUBSCRIBE

Home

Home

How to Detach and Attach Office365 Accounts to Hybrid User

April 10, 2023 Zsolt Agoston
Learn how to detach and attach O365 users to on-prem user accounts with ease! ... Read More
Home

How to Remove Proxmox License Warning

March 7, 2022
Home
This guide shows you how to remove the pesky 'No valid subscription' warning from your Proxmox portal ... Read More
Home

How to Build a Home IT Lab with Proxmox

March 3, 2022
Home
This article shows how to build a complete IT lab with multiple subnets using a single computer, and a switch ... Read More
Home

How to Build a Home IT Lab with Hyper-V

March 1, 2022
Home
Learn how to build a full IT lab on your Windows home computer with subnets and proper routing ... Read More
Home

PowerShell: How to parse a large one-line XML

March 1, 2022
Home
Parse unformatted (one-liner) xml files, adding line breaks and indentation using Linux ... Read More
Home

PowerShell: How to Reverse an Array

February 22, 2022
Home
Learn how to reverse an array of any kind in PowerShell ... Read More
Home

How Does UTF-8 Encoding Work

December 29, 2021
Home
Learn what the UTF-8, UTF-16 and UTF-32 encodings are, how they work, what is BOM and how variable length encoding is utilized to represent over a 100 thousand characters in a simple text file ... Read More
Home

Packet Capture on Windows Without WireShark – NO INSTALLATION REQUIRED!

December 20, 2021
Home
Two native ways of capturing network traffic on Windows servers and clients. Works on Windows 7, 8, 10 and Windows Server 2012R2, 2016, 2019, etc ... Read More
Home

How to Move Files from Multiple Subfolders to a Single Folder with PowerShell?

December 19, 2021
Home
How to move all files that matches a pattern from subdirectories to a cetralized target location ... Read More
Home

How to Check if Linux needs Reboot after Updating?

November 23, 2021
Home
Does your linux system need a reboot after an updating session? Let's find out! ... Read More
Home

Get-ADGroupMember : The size limit for this request was exceeded

November 22, 2021
Home
Are you having troubles querying members of large AD groups? Here's a little trick how to get them ultra fast! ... Read More
Home

Free WordPress Theme with 3 Column Layout

November 18, 2021
Home
This guide shows you how to set up a three-column layout with the Genesis Sample Wordpress theme in just a few minutes ... Read More
Home

How to get the UPN of current user with PowerShell (Cmd)

October 24, 2021
Home
An easy way to get the UserPrincipalName of the logged on user for scripts and automation tasks ... Read More
Home

How to Replace Crayon with Enlighter in WordPress

September 12, 2021
Home
This guide shows you how to repair your site if the old Crayon WordPress plugin broke it. I show you all the steps to migrate your code snippets to the newer Enlighter plugin ... Read More
Home

How to print the Global Address Book in Outlook

September 8, 2021
Home
A detailed guide on how to print or export the Global Address List using the Outlook client ... Read More
Home

PowerShell: Extract Pattern from a String

August 11, 2021
Home
Two methods of extracting text from an input string with PowerShell using regex expressions ... Read More
Home

Upgrade PHP 7.2 to PHP 7.4 on Ubuntu

August 4, 2021
Home
Upgrade the deprecated PHP 7.2 version to PHP 7.4 on your Ubuntu machine ... Read More
Home

How to Remove Website Field from WordPress Comments

August 4, 2021
Home
Get rid of the Website field in the WordPress comments form in a few steps ... Read More
Home

Regex tricks – Remove leading and trailing white spaces with Notepad++ and Vim

August 1, 2021
Home
Learn how to remove leading and trailing whitespaces with either Notepad++ or Vim ... Read More
Home

What admin role needed to run a specific cmdlet

July 29, 2021
Home
Find out which RBAC role you need to run a specific PowerShell cmdlet in Azure or on-prem ... Read More
Home

Restore AD Active Directory Object – Tombstone Reanimation

June 29, 2021
Home
A step-by-step guide to reanimate deleted Active Directory objects from their tombstone. This is the only method if Active Directory Recycle Bin is not activated in the domain ... Read More
  • ‹
  • 1
  • 2
  • 3
  • 4
  • …
  • 10
  • ›
Home

Primary Sidebar

Tools

  • Terms of Use
  • Disclaimer
  • Privacy Policy
x
x